Home / 222,474.50-307,036.84-126,995.56

Finding the Fourth Proportional to 222,474.50, 307,036.84 and 126,995.56

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Solution

The fourth proportional to 222,474.50, 307,036.84 and 126,995.56 is: 175,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,474.50 : 307,036.84 = 126,995.56 : x
  2. Step 2: Convert to fraction form
    222,474.50/307,036.84 = 126,995.56/x
  3. Step 3: Cross multiply
    222,474.50x = 307,036.84 × 126,995.56
  4. Step 4: Simplify right side
    222,474.50x = 38,992,315,436.43
  5. Step 5: Solve for x
    x = 38,992,315,436.43/222,474.50
  6. Step 6: Final answer
    x = 175,266.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.